Which is not true about salty water?

• Floats on top of freshwater

• Higher density

• It has more molecules than freshwater

• It sinks at the bottom of a container

What does the blue line represent in the Thermohaline circulation?

• Warm salty water

• Warm water

• Cold water

• Cold salty water

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS2-6

The two properties of ocean water that influence density are:

• location and precipitation

• salinity and speed

• speed and temperature

• temperature and salinity

Which of the following types of water would SINK the fastest?

• warm and salty

• cold and salty

• warm and fresh

• cold and fresh

Tags

NGSS.MS-PS1-4

NGSS.MS-PS3-4

Thermohaline circulation distributes which of the following?

• heat

• nutrients

• carbon dioxide

• all of the above

Tags

NGSS.MS-ESS2-6

______ causes deep ocean currents

• The Coriolis Effect

• gravity

• wind

• density differences

Tags

NGSS.MS-ESS2-6

Decreasing ocean temperature causes the density of the water to ______.

• decrease

• increase

• stay the same

• fluctuate

Tags

NGSS.MS-PS1-4

Which process does NOT lead to a decrease in the salinity of water?

• runoff from land
• precipitation
• sea ice melting
• evaporation

Why does ice float?

• it is more dense than water
• it is less dense than water
• it is a solid
• it is made of water

Surface currents are caused mainly by the ______________.

• Sun

• Wind

Tags

NGSS.MS-ESS2-6